For citations:
Gabdullin R.R., Puzik A.Yu., Merenkova S.I., Migranov I.R., Badulina N.V., Ivanov A.V., Kazurov M.D. Lithological and geochemical characteristics and paleoclimatic conditions of the origin of Upper Cretaceous deposits of the epicontinental basin of the Russian plate in the region of the Ulyanovsk-Saratov foredeep. Moscow University Bulletin. Series 4. Geology. 2021;1(2):20-33. (In Russ.) https://doi.org/10.33623/0579-9406-2021-2-20-33